The lowest delivered price we found for 18×12×3 inch (455×305×75mm) cardboard boxes is 61.5p per box: 200 boxes for £122.96 delivered (single wall · standard carton). We have 11 checked prices for this size from 6 sellers on eBay UK; delivered prices run from 61.5p to £1.69 per box, depending on pack size and on wall strength and fold style. For a smaller order, the lowest price in a pack costing £50 or less is 67.9p per box (25 boxes for £16.97 delivered). Prices were pulled 16 October 2026 and are a snapshot, not live.
Dark green = the cheapest pack size in that row, paler green = close to it. Hover a price for the delivered total, click or right-click it for the listing.
| Type | 5 boxes | 10 boxes | 20 boxes | 25 boxes | 50 boxes | 100 boxes | 200 boxes | 500 boxes |
|---|---|---|---|---|---|---|---|---|
| single wall · standard carton | £1.69 | £1.20 | 94.9p | 67.9p | 77.8p | 67.9p | 61.5p | 72.5p |
| single wall · postal / die-cut | – | – | – | 90.8p | 73.0p | 70.0p | – | – |
Each price is the delivered cost (item + delivery) divided by what you get, checked against its own listing. How we check.
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Links to eBay on this site may become affiliate links. If they do, we will say so here and we may earn a commission at no extra cost to you.
Prices are taken from eBay UK listings on the date shown on each page and can change; always confirm the price on eBay before buying. Not affiliated with or endorsed by eBay.